19315952

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{52489}}^1$

素因数の和:52520

約数の個数: 20

約数和(自身を含む): 39052560

約数和(自身を除く): 19736608

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 52489, 104978, 209956, 419912, 839824, 1207247, 2414494, 4828988, 9657976, 19315952]

約数ペア:

[(1, 19315952), (2, 9657976), (4, 4828988), (8, 2414494), (16, 1207247), (23, 839824), (46, 419912), (92, 209956), (184, 104978), (368, 52489)]